Home / 2,738,485.80-4,107,728.70-743,941.80

Finding the Fourth Proportional to 2,738,485.80, 4,107,728.70 and 743,941.80

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Solution

The fourth proportional to 2,738,485.80, 4,107,728.70 and 743,941.80 is: 1,115,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,485.80 : 4,107,728.70 = 743,941.80 : x
  2. Step 2: Convert to fraction form
    2,738,485.80/4,107,728.70 = 743,941.80/x
  3. Step 3: Cross multiply
    2,738,485.80x = 4,107,728.70 × 743,941.80
  4. Step 4: Simplify right side
    2,738,485.80x = 3,055,911,082,989.66
  5. Step 5: Solve for x
    x = 3,055,911,082,989.66/2,738,485.80
  6. Step 6: Final answer
    x = 1,115,912.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.